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topic: 349585A Hunslet Lubrication
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posted: 1 Sep 2019 21:54

from:

Roy H
 
 

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I am now the proud owner of an 85A Models Hunslet.   From the quantity of dust on the body it has been stored for some time!   The motor is trying to turn but it seems that the axles are gummed up with dried lubrication which now has the consistency of Golden Syrup.   I read in the instructions posted online that IPA or paraffin seem to be the preferred cleaning agents so I intend to pop the wheel assembly out and clean it.   I note the instructions refer to a "special grease" used to lubricate.   I only have Hob-E-Lube model oil or their 'HL657 white grease with Teflon'.   Is anyone able to advise which would be the best to use?   I assume that being modelling products they are safe on this plastic?
For information the wheel rims all have a light-ish coating of rust.   I initially cleaned a small patch with a Peco track rubber with only light pressure.   Also effective were a much softer, less gritty rubber that I think I bought from Helmsman Electronics.   I believe they are used for cleaning PCBs.   Even a pencil eraser seems to take most of it off.

Stop press:   The motor turns beautifully with the wheelset out :D
Last edited on 1 Sep 2019 22:23 by Roy H
posted: 1 Sep 2019 22:27

from:

Martin Wynne
 
West Of The Severn - United Kingdom

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Hi Roy,

Welcome to Templot Club. :)

Do not use oil on the bearings. It will soften the plastic. Do not use any form of silicone grease or grease containing Teflon. It is non-conductive and will interfere with the split-axle pickups.

A supply of suitable plastics-safe grease was included with the loco. Only a smear is needed, so there should be some left, even after all this time. It needs to be the type of grease used to lubricate electrical switch contacts. It is years since I have needed to obtain any, but this grease seems to be suitable:

 http://uk.rs-online.com/web/p/contact-cleaners/0566730/

 http://docs-emea.rs-online.com/webdocs/1582/0900766b81582aea.pdf

This grease also appears to be suitable, but is available only in a pack of 5 tubes:

 http://uk.rs-online.com/web/p/greases/0556446/

Do not use a Peco-type abrasive track rubber on the wheels. It will shed gritty particles which will become embedded in the plastic bearings, leading to permanent damage. Likewise glass-fibre eraser pencils.

If the wheels have become rusty, I suggest running them against a folded piece of very fine abrasive paper (Wet-or-dry paper, from car body repair shops) which has been lightly moistened with thin oil. Wipe away any removed rust particles frequently.

These models have now been out of production for over 20 years, but the original instructions are still online at:

 http://templot.com/martweb/kitins.htm

See Routine Maintenance under Information For Owners.

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cheers,

Martin.

posted: 1 Sep 2019 22:43

from:

Roy H
 
 

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Many thanks for the quick reply.   Sadly there was no grease included when I purchased my loco, so I shall look into the product you suggested.



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